A Chinese medicine patch for increasing the flow rate of arteriovenous fistula

Abstract

The utility model belongs to the technical field of medical supplies, and discloses a Chinese medicine patch for improving the flow rate of arteriovenous fistula, comprising a Chinese medicine patch body, wherein the Chinese medicine patch body is composed of a protective patch carrier and a Chinese medicine fixing structure, wherein the protective patch carrier comprises a bottom cloth layer, a constant temperature heating layer is bonded to one side surface of the bottom cloth layer, a patch layer is bonded to one side surface of the constant temperature heating layer away from the bottom cloth layer, and the Chinese medicine fixing structure comprises a flexible fixing ring, wherein one end of the flexible fixing ring is connected to the middle part of the surface of the patch layer. The utility model has a simple structure and is convenient to use. Through the Chinese medicine fixing structure, the Chinese medicine is locked in the flexible fixing ring to prevent the Chinese medicine from falling off, thereby ensuring the absorption of the Chinese medicine by the patient's blood vessels, improving the flow rate of the arteriovenous fistula, and improving the stability of the Chinese medicine patch applied on the skin. When the patient applies the patch, there will be no burning sensation, and the skin will not be scalded, thereby improving the safety of use.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical supplies, and in particular relates to a traditional Chinese medicine patch for improving the flow rate of arteriovenous fistula. Background Art

[0002] Arteriovenous fistula is the lifeline of hemodialysis patients. Arteriovenous fistula stenosis and thrombosis are common causes of low fistula flow and fistula failure. At present, the main treatments for preventing complications of arteriovenous fistula are external ointment (polysulfonated mucopolysaccharide cream) and infrared lamps, which are expensive and inconvenient to use. Traditional arteriovenous fistula Chinese medicine external application is to boil Chinese medicine and then apply it externally or fumigate it, which is inconvenient to use, patients do not use it in a standardized manner, and the use process is complicated. For example, the patent number CN220109936U discloses a Chinese medicine patch for fever in arteriovenous fistula. Although it solves the technical problem that the current structure of Chinese medicine patch itself is mainly based on acupuncture points and cannot effectively adapt to arteriovenous fistula blood vessels; The structure of the above patent has the following problems: 1. When in use, the Chinese medicine patch and the skin become loose due to the patient's activities, and the Chinese medicine is easy to fall off from the Chinese medicine groove structure, causing the position of the Chinese medicine to shift when applied to the arteriovenous blood vessels, thereby affecting the blood vessels' absorption of the Chinese medicine and reducing the flow rate of the arteriovenous fistula; 2. The heating layer is made of vermiculite, carbon powder, solid sodium chloride, and solid ferric oxide. When in use, it will continue to generate heat in a short period of time, causing the patient to have a burning sensation when applying it, which is difficult to adapt to and can easily cause burns to the skin. It is not safe and stable enough.

[0003] Based on this, the utility model designs a Chinese medicine patch for improving the flow rate of arteriovenous fistula to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a Chinese medicine patch for improving the flow rate of arteriovenous fistula, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a Chinese medicine patch for improving the flow rate of arteriovenous fistula, comprising a Chinese medicine patch body, wherein the Chinese medicine patch body is composed of a protective patch carrier and a Chinese medicine fixing structure, wherein the protective patch carrier comprises a base cloth layer, a constant temperature heating layer is bonded to one side surface of the base cloth layer, a patch layer is bonded to the side surface of the constant temperature heating layer away from the base cloth layer, the Chinese medicine fixing structure comprises a flexible fixing ring, one end of the flexible fixing ring is connected to the middle part of the surface of the patch layer, a reinforcement net is connected to the inner side of the flexible fixing ring, the Chinese medicine on the Chinese medicine patch body is coated on the inner side of the flexible fixing ring and filled in the reinforcement net, the outer surface of the patch layer is evenly bonded with a protective film, and the protective film covers the outer side of the Chinese medicine fixing structure.

[0006] Preferably, the protective sticker carrier is configured as a rectangular structure, the base fabric layer is made of breathable fabric, and the thickness of the base fabric layer is 1-2 mm.

[0007] Preferably, the constant temperature heating layer comprises a microporous breathable layer, a self-heating layer and a temperature control layer bonded in sequence, and the microporous breathable layer is bonded to the surface of the base fabric layer, and the temperature control layer is bonded to the surface of the application layer.

[0008] Preferably, the microporous breathable layer is made of heat-insulating fiber material, the self-heating layer is made of chemical reaction material, and the temperature control layer is made of organic phase change material.

[0009] Preferably, the application layer is made of medical adhesive tape, and the thickness of the application layer is 0.2-0.5 mm.

[0010] Preferably, the protective film is made of medical release paper, and a strong adhesive layer is provided on one side of both ends of the base fabric layer, and the two ends of the protective film are bonded to the surface of the strong adhesive layer.

[0011] Preferably, the flexible fixing ring is configured as a long strip, and the thickness of the flexible fixing ring is 1-3 mm.

[0012] The utility model provides a Chinese medicine patch for improving the flow rate of arteriovenous fistula, which has the following beneficial effects:

[0013] (1) The utility model can fix the Chinese medicine in the Chinese medicine patch in the flexible fixing ring by setting the Chinese medicine fixing structure, effectively preventing the Chinese medicine from shifting when applying the arteriovenous blood vessels, and lock the Chinese medicine in the flexible fixing ring by the reinforcement net to prevent the Chinese medicine from falling off, thereby ensuring the absorption of the Chinese medicine by the patient's blood vessels and improving the stability of the Chinese medicine patch applied on the skin;

[0014] (2) The constant temperature heating layer can adjust the temperature range of the heating and extend the working time of the heating. By heating the Chinese medicine, the absorption of the Chinese medicine by the skin and blood vessels is promoted, and the flow rate of the arteriovenous fistula is increased. When the patient applies the patch, there will be no burning sensation and no burns to the skin, which improves the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the application side of the Chinese medicine patch body of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the Chinese medicine patch body of the utility model along the length direction;

[0017] Figure 3 It is a structural schematic diagram of the constant temperature heating layer of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the traditional Chinese medicine fixing structure of the utility model.

[0019] In the figure: 1. Chinese medicine patch body; 2. Protective patch carrier; 21. Bottom fabric layer; 211. Strong adhesive layer; 22. Constant temperature heating layer; 221. Microporous breathable layer; 222. Self-heating layer; 223. Temperature control layer; 23. Application layer; 3. Chinese medicine fixing structure; 31. Flexible fixing ring; 32. Reinforcement net; 4. Protective film. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] like Figure 1-Figure 4 As shown, the utility model provides a Chinese medicine patch for improving the flow of arteriovenous fistula, including a Chinese medicine patch body 1, which is composed of a protective patch carrier 2 and a Chinese medicine fixing structure 3. The protective patch carrier 2 includes a bottom cloth layer 21, and a constant temperature heating layer 22 is bonded to one side surface of the bottom cloth layer 21. The constant temperature heating layer 22 can generate heat within a certain temperature range, which can not only promote the volatilization of the medicine so that it can be absorbed by the skin and the arteriovenous fistula blood vessels, but also prevent burns to the skin. The constant temperature heating layer 22 is bonded to a patch layer 23 on one side surface away from the bottom cloth layer 21, which is used to apply the Chinese medicine patch to the skin surface. The Chinese medicine fixing structure 3 includes There is a flexible fixing ring 31, one end of the flexible fixing ring 31 is connected to the middle of the surface of the patch layer 23, and the inner side of the flexible fixing ring 31 is connected to a reinforcing net 32. The Chinese medicine on the Chinese medicine patch body 1 is coated on the inner side of the flexible fixing ring 31 and filled in the reinforcing net 32, locking the Chinese medicine in the flexible fixing ring 31 to prevent the Chinese medicine from falling off, thereby improving the stability of the Chinese medicine patch on the skin. The outer surface of the patch layer 23 is evenly bonded with a protective film 4, and the protective film 4 covers the outer side of the Chinese medicine fixing structure 3. When the Chinese medicine patch is not in use, that is, the Chinese medicine patch is packaged in a packaging bag, it plays a protective role.

[0022] It should be noted that: Figure 1 and Figure 2 As shown, the protective patch carrier 2 is set to a rectangular structure, the bottom fabric layer 21 is made of breathable fabric, and the thickness of the bottom fabric layer 21 is 1-2mm, which has good air permeability, making the patient more comfortable after application.

[0023] In a preferred embodiment, Figure 2 and Figure 3As shown, the constant temperature heating layer 22 includes a microporous breathable layer 221, a self-heating layer 222 and a temperature control layer 223 bonded in sequence, and the microporous breathable layer 221 is bonded to the surface of the base fabric layer 21, and the temperature control layer 223 is bonded to the surface of the application layer 23, which can adjust the temperature range of heating and extend the working time of heating.

[0024] Furthermore, the microporous breathable layer 221 is made of heat-insulating fiber material, the self-heating layer 222 is made of chemical reaction material, and the temperature control layer 223 is made of organic phase change material. The microporous breathable layer 221 prevents heat from diffusing to the outside, and external air can also enter to react chemically with the self-heating layer 222 to generate heat. When the temperature is overheated, the organic phase change material absorbs heat, thereby reducing the dissipated temperature, thereby heating the traditional Chinese medicine and promoting the absorption of the traditional Chinese medicine by the skin and blood vessels. The patient will not feel a burning sensation when applying the patch, preventing burns to the skin, and it is completely stable.

[0025] Furthermore, the self-heating layer 222 uses iron powder, carbon powder or a new type of self-heating material with nano aluminum powder and iron oxide as main raw materials, and the organic material includes one or more mixtures of paraffin, fatty acid and their derivatives.

[0026] In a preferred embodiment, Figure 1 and Figure 2 As shown, the application layer 23 is made of medical adhesive tape, and the thickness of the application layer 23 is 0.2-0.5 mm, which can firmly apply the Chinese medicine patch body 1 to the patient's skin, stably and reliably.

[0027] In a preferred embodiment, Figure 1 and Figure 2 As shown, the protective film 4 is made of medical release paper, and a strong glue adhesive layer 211 is provided on one side of both ends of the base fabric layer 21, and the two ends of the protective film 4 are bonded to the surface of the strong glue adhesive layer 211. After tearing off the protective film 4, the two ends of the base fabric layer 21 are bonded to the patient's skin through the strong glue adhesive layer 211, which can increase the firmness of the application of the Chinese medicine patch body 1.

[0028] In a preferred embodiment, Figure 1 and Figure 4 As shown, the flexible fixing ring 31 is designed to be long and has a thickness of 1-3 mm, which is convenient for applying medicine along the patient's arteries and veins and expanding the range of medicine application. When in use, multiple Chinese medicine patches can be used for application according to the location and direction of the blood vessels.

[0029] It should be noted that the Chinese medicine formula of the Chinese medicine patch is as follows: 2g peach kernel, 1g safflower, 3g angelica, 3g Ligusticum chuanxiong, 3g Rehmannia glutinosa, 3g red peony root, 3g Astragalus membranaceus, 2g vinegar Cyperus rotundus, 3g Achyranthes bidentata, 2g Rhizoma Smilacis Glabrae, and 2g Cynanchum wilfordii; it is mainly used for fistula care on non-dialysis days for hemodialysis patients, and its main functions are to promote blood circulation and remove blood stasis, improve fistula blood circulation, and delay fistula vascular sclerosis, thereby increasing the use time of arteriovenous fistula to a certain extent and reducing the occurrence of complications such as arteriovenous fistula stenosis, occlusion, and thrombosis.

[0030] Working principle: When in use, tear off the protective film 4, apply the Chinese medicine in the flexible fixing ring 31 to the patient's arteriovenous fistula, and fix the Chinese medicine patch body 1 on the patient's skin by smoothing and pressing the application layer 23, and then firmly stick it with the strong adhesive layer 211. In the process of applying the Chinese medicine patch, the Chinese medicine can be heated by the constant temperature heating layer 22, which promotes the absorption of Chinese medicine by the skin and blood vessels, and increases the flow rate of the arteriovenous fistula. At the same time, the patient will not feel a burning sensation and will not cause scalds to the skin, which improves the safety of use. By providing a reinforcement net 32 ​​in the flexible fixing ring 31, the Chinese medicine can be locked in the flexible fixing ring 31 to prevent it from falling off, thereby ensuring the absorption of Chinese medicine by the patient's blood vessels and improving the stability of the Chinese medicine patch applied on the skin.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A Chinese medicine patch for improving the flow rate of an arteriovenous fistula, comprising a Chinese medicine patch body (1), characterized in that: The Chinese medicine patch body (1) is composed of a protective patch carrier (2) and a Chinese medicine fixing structure (3), wherein the protective patch carrier (2) comprises a base fabric layer (21), a constant temperature heating layer (22) is bonded to one side surface of the base fabric layer (21), and a patch layer (23) is bonded to the side surface of the constant temperature heating layer (22) away from the base fabric layer (21), wherein the Chinese medicine fixing structure (3) comprises a flexible fixing ring (31), one end of the flexible fixing ring (31) is connected to the middle part of the surface of the patch layer (23), the inner side of the flexible fixing ring (31) is connected to a reinforcing net (32), the Chinese medicine on the Chinese medicine patch body (1) is coated on the inner side of the flexible fixing ring (31) and filled in the reinforcing net (32), the outer side surface of the patch layer (23) is evenly bonded with a protective film (4), and the protective film (4) covers the outer side of the Chinese medicine fixing structure (3).

2. A Chinese medicine patch for improving the flow rate of arteriovenous fistula according to claim 1, characterized in that: The protective sticker carrier (2) is configured as a rectangular structure, the base fabric layer (21) is made of breathable fabric, and the thickness of the base fabric layer (21) is 1-2 mm.

3. A Chinese medicine patch for improving the flow rate of arteriovenous fistula according to claim 1, characterized in that: The constant temperature heating layer (22) comprises a microporous breathable layer (221), a self-heating layer (222) and a temperature control layer (223) which are bonded in sequence, wherein the microporous breathable layer (221) is bonded to the surface of the base fabric layer (21), and the temperature control layer (223) is bonded to the surface of the application layer (23).

4. A Chinese medicine patch for improving the flow rate of arteriovenous fistula according to claim 3, characterized in that: The microporous air-permeable layer (221) is made of heat-insulating fiber material, the self-heating layer (222) is made of chemical reaction type material, and the temperature control layer (223) is made of organic phase change material.

5. A Chinese medicine patch for improving the flow rate of arteriovenous fistula according to claim 1, characterized in that: The application layer (23) is made of medical adhesive tape, and the thickness of the application layer (23) is 0.2-0.5 mm.

6. A Chinese medicine patch for improving the flow rate of arteriovenous fistula according to claim 2, characterized in that: The protective film (4) is made of medical release paper, and a strong adhesive layer (211) is provided on one side of both ends of the base fabric layer (21), and the two ends of the protective film (4) are bonded to the surface of the strong adhesive layer (211).

7. A Chinese medicine patch for improving the flow rate of arteriovenous fistula according to claim 1, characterized in that: The flexible fixing ring (31) is in the shape of a long strip, and the thickness of the flexible fixing ring (31) is 1-3 mm.

Images